Home / 147,803.60-221,844.60-77,733.20

Finding the Fourth Proportional to 147,803.60, 221,844.60 and 77,733.20

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Solution

The fourth proportional to 147,803.60, 221,844.60 and 77,733.20 is: 116,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.60 : 221,844.60 = 77,733.20 : x
  2. Step 2: Convert to fraction form
    147,803.60/221,844.60 = 77,733.20/x
  3. Step 3: Cross multiply
    147,803.60x = 221,844.60 × 77,733.20
  4. Step 4: Simplify right side
    147,803.60x = 17,244,690,660.72
  5. Step 5: Solve for x
    x = 17,244,690,660.72/147,803.60
  6. Step 6: Final answer
    x = 116,673.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.